Microsoft Windows SChannel Malformed Certificate Request Remote Code Execution

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Microsoft Windows SChannel Malformed Certificate Request Remote Code Execution

Hi.

Can anyone provide insight into the threat signature for MS10-049?   What it triggers on, etc.?  I have seen this triggered by Goggle domain IP sources that produce certificate errors.

Thanks,

Monica

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Re: Microsoft Windows SChannel Malformed Certificate Request Remote Code Execution

We are seeing the same thing for awhile now as well.  It looks to be something with users accessing GMAIL.

L5 Sessionator

Re: Microsoft Windows SChannel Malformed Certificate Request Remote Code Execution

Hello Monica,

MS10-049 :

There is a remote code execution vulnerability in Microsoft Windows SChannel when it validates a certificate request message sent by the server on a client. An attacker could host a specially crafted Web site that is designed to exploit these vulnerabilities through an Internet Web browser and then convince a user to view the Web site.

More information on it can be found at:

Microsoft Security Bulletin MS10-049 - Critical : Vulnerabilities in SChannel could allow Remote Cod...

Also, its known by CVE - 2010-2566. More information on that can be found at : CVE -CVE-2010-2566

Our threat database does cover the signature by threat ID: 33372

Hope that is the information you were looking for.

Regards,

Kunal Adak

L4 Transporter

Re: Microsoft Windows SChannel Malformed Certificate Request Remote Code Execution

Hi,

Is there any recommendation by Palo Alto?

I mean if is there any way to tackle this in our palo alto firewall?

Regards,:smileyinfo:

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